Two observers are stationed due north of...

Two observers are stationed due north of a tower (of height x metre) at a distance y metre from each other. The angles of elevation of the tower observed by them are `30^(@) and 45^(@)` respectively. Then x/y is equal to

A

`(sqrt(2)-1)/(2)`

B

`(sqrt(3)-1)/(2)`

C

`(sqrt(3)+1)/(2)`

D

1

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